Association between demographic characteristics and HIV infection amongst adolescents and all young adults, year 2006 to 2008.

*P-value associated with two-sided Fisher’s exact test.†P-value associated with likelihood ratio test adjusting for age group.§“Tested and received result” based on answering more than zero to question “On how many different occasions did you have an HIV test?” and answering ‘yes’ to a follow-up question about the most recent HIV test “Did you collect the test results?”.

* 双侧费希尔精确检验（two-sided Fisher’s exact test）对应的P值。
† 经年龄组校正的似然比检验（likelihood ratio test）对应的P值。
§ “接受检测并获取结果”的定义为：对“您曾在多少种不同的场合接受过人类免疫缺陷病毒（HIV）检测？”这一问题的作答结果大于0，且对关于最近一次HIV检测的跟进问题“您是否领取了检测结果？”回答为“是”。